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Estimated daily intake of phenolics and antioxidants from green tea consumption in the Korean diet.
Int J Food Sci Nutr. 2016; 67(3):344-52.IJ

Abstract

To estimate daily intake of total phenolics and flavonoids from green tea and the contribution of green tea to the antioxidant intake from the Korean diet, 24 commercial brands of green tea were selected and analyzed. Data from the Korea National Health and Nutrition Examination Survey (KNHANES) from 2008 and 2011 indicate that the green tea consumption in these 2 years was 2.8 g/tea drinker/day and 2.9 g/tea drinker/day, respectively. Based on data derived from direct measurements of green tea phenolics and the dataset of the 2008 KNHANES, we estimated the daily per tea drinker phenolics intake to be 172 mg gallic acid equivalents (GAE), the total flavonoids to be 43 mg catechin equivalents (CE) and the total antioxidants to be 267 mg vitamin C equivalents (VCE; 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay) and 401 mg VCE (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) assay). In 2011, we estimated the daily per tea drinker total phenolics intake to be 246 mg GAE, the total flavonoids to be 60 mg CE and the antioxidants to be 448 mg VCE (DPPH assay) and 630 mg VCE (ABTS assay). The daily intake of total phenolics, total flavonoids and antioxidants from green tea consumption increased from 2008 to 2011.

Authors+Show Affiliations

a Department of Food Science and Biotechnology , Kyung Hee University , Yongin , Korea ; b Skin Biotechnology Center , Kyung Hee University , Suwon , Korea ;c Food Analysis Center , Korea Food Research Institute , Seongnam , Korea ;a Department of Food Science and Biotechnology , Kyung Hee University , Yongin , Korea ; b Skin Biotechnology Center , Kyung Hee University , Suwon , Korea ;d Department of Nutritional Sciences , University of Connecticut , Storrs , CT , USA.d Department of Nutritional Sciences , University of Connecticut , Storrs , CT , USA.a Department of Food Science and Biotechnology , Kyung Hee University , Yongin , Korea ; b Skin Biotechnology Center , Kyung Hee University , Suwon , Korea ;

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26940374

Citation

Lee, Bong Han, et al. "Estimated Daily Intake of Phenolics and Antioxidants From Green Tea Consumption in the Korean Diet." International Journal of Food Sciences and Nutrition, vol. 67, no. 3, 2016, pp. 344-52.
Lee BH, Nam TG, Park NY, et al. Estimated daily intake of phenolics and antioxidants from green tea consumption in the Korean diet. Int J Food Sci Nutr. 2016;67(3):344-52.
Lee, B. H., Nam, T. G., Park, N. Y., Chun, O. K., Koo, S. I., & Kim, D. O. (2016). Estimated daily intake of phenolics and antioxidants from green tea consumption in the Korean diet. International Journal of Food Sciences and Nutrition, 67(3), 344-52. https://doi.org/10.3109/09637486.2016.1153612
Lee BH, et al. Estimated Daily Intake of Phenolics and Antioxidants From Green Tea Consumption in the Korean Diet. Int J Food Sci Nutr. 2016;67(3):344-52. PubMed PMID: 26940374.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Estimated daily intake of phenolics and antioxidants from green tea consumption in the Korean diet. AU - Lee,Bong Han, AU - Nam,Tae Gyu, AU - Park,Na Young, AU - Chun,Ock K, AU - Koo,Sung I, AU - Kim,Dae-Ok, Y1 - 2016/03/04/ PY - 2016/3/5/entrez PY - 2016/3/5/pubmed PY - 2016/12/15/medline KW - Green tea KW - Korea National Health and Nutrition Examination Survey KW - total flavonoid content KW - total phenolic content KW - vitamin C equivalents SP - 344 EP - 52 JF - International journal of food sciences and nutrition JO - Int J Food Sci Nutr VL - 67 IS - 3 N2 - To estimate daily intake of total phenolics and flavonoids from green tea and the contribution of green tea to the antioxidant intake from the Korean diet, 24 commercial brands of green tea were selected and analyzed. Data from the Korea National Health and Nutrition Examination Survey (KNHANES) from 2008 and 2011 indicate that the green tea consumption in these 2 years was 2.8 g/tea drinker/day and 2.9 g/tea drinker/day, respectively. Based on data derived from direct measurements of green tea phenolics and the dataset of the 2008 KNHANES, we estimated the daily per tea drinker phenolics intake to be 172 mg gallic acid equivalents (GAE), the total flavonoids to be 43 mg catechin equivalents (CE) and the total antioxidants to be 267 mg vitamin C equivalents (VCE; 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay) and 401 mg VCE (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) assay). In 2011, we estimated the daily per tea drinker total phenolics intake to be 246 mg GAE, the total flavonoids to be 60 mg CE and the antioxidants to be 448 mg VCE (DPPH assay) and 630 mg VCE (ABTS assay). The daily intake of total phenolics, total flavonoids and antioxidants from green tea consumption increased from 2008 to 2011. SN - 1465-3478 UR - https://www.unboundmedicine.com/medline/citation/26940374/Estimated_daily_intake_of_phenolics_and_antioxidants_from_green_tea_consumption_in_the_Korean_diet_ L2 - http://www.tandfonline.com/doi/full/10.3109/09637486.2016.1153612 DB - PRIME DP - Unbound Medicine ER -